Castiel Is a Psychologist Who Is Interested in Seeing How

Multiple Choice

Castiel is a psychologist who is interested in seeing how autonomic nervous system responses are related to subjective feelings of fear. Half the participants in Castiel's experiment watch a 10-minute graphic and violent video and the other half watch a 10-minute video of a baby kitten. While the participants are watching the video, Castiel gathers measurements of their skin conductance. After they finish watching the video the participants answer a questionnaire about their level of fear after watching the video as well as how they generally react to horror movies.
-Which is the control group in the study

A) Participants who watched the violent video.
B) Participants who watched the kitten video.
C) Participants who watched the violent video and had low violent tendency scores.
D) Participants who watched the kitty video and had low violent tendency scores.